<s>
Dukedom	B-Application
is	O
a	O
turn-based	O
strategy	O
text-based	O
video	O
game	O
about	O
land	O
management	O
and	O
was	O
created	O
as	O
an	O
expanded	O
version	O
of	O
Hamurabi	B-Application
.	O
</s>
<s>
The	O
player	O
has	O
to	O
manage	O
their	O
duchy	O
,	O
while	O
paying	O
taxes	O
and	O
sending	O
,	O
on	O
occasion	O
,	O
peasants	O
to	O
the	O
King	O
's	O
service	O
,	O
undergoing	O
epidemics	B-Application
,	O
locusts	O
and	O
rival	O
lords	O
secretly	O
helped	O
by	O
the	O
High	O
King	O
;	O
they	O
can	O
buy	O
and	O
sell	O
land	O
,	O
itself	O
divided	O
in	O
several	O
categories	O
depending	O
on	O
fertility	O
,	O
and	O
engaging	O
in	O
offensive	O
or	O
defensive	O
warfare	O
,	O
sending	O
both	O
subjects	O
and	O
mercenaries	B-Application
against	O
the	O
enemy	O
and	O
winning	O
land	O
and	O
grain	O
.	O
</s>
<s>
Dukedom	B-Application
was	O
written	O
in	O
PL/I	B-Language
D	O
by	O
Vince	O
Talbot	O
in	O
1976	O
as	O
an	O
expanded	O
version	O
of	O
Kingdom	O
,	O
which	O
itself	O
is	O
an	O
expanded	O
version	O
of	O
Hamurabi	B-Application
.	O
</s>
<s>
EXBASIC	O
to	O
Hewlett-Packard	O
level	O
F	O
BASIC	O
then	O
to	O
DEC	O
RSTS/E	O
BASIC-PLUS	B-Language
.	O
</s>
<s>
The	O
game	O
was	O
converted	O
to	O
Microsoft	B-Language
BASIC	I-Language
by	O
Richard	O
A	O
.	O
Kaapke	O
.	O
</s>
<s>
The	O
BASIC	O
version	O
appeared	O
in	O
Creative	B-General_Concept
Computing	I-General_Concept
in	O
February	O
1980	O
and	O
was	O
republished	O
in	O
Big	O
Computer	O
Games	O
(	O
1984	O
)	O
.	O
</s>
<s>
A	O
Small	B-Language
Basic	I-Language
version	O
called	O
Dukedom	B-Application
Small	B-Language
Basic	I-Language
Version	O
exists	O
in	O
source	O
code	O
form	O
on	O
CodePlex	B-Protocol
.	O
</s>
<s>
A	O
complete	O
Python	B-Language
version	O
is	O
also	O
available	O
on	O
GitHub	B-Application
.	O
</s>
